Efthymios (Thymios) is a research scientist working on uni- and multi-modal sound separation and sound understanding in general. His research interests include the development of self-supervised audio and video perception machine learning models and their efficient deployment on low-energy mobile devices. He got his Ph.D. in Computer Science from the University of Illinois at Urbana-Champaign and also holds a diploma (B.Sc. + M.Eng.) in Electrical and Computer Engineering from the National Technical University of Athens. He has co-authored more than 30 papers in the field of audio and audio-visual processing and holds one US patent. Efthymios has also served as a reviewer to most of the top-notch journals and annual international conference-venues in the fields of deep learning and audio-visual processing and has also been recognized as an outstanding reviewer award 4 times. He has also been a past recipient of the Google Ph.D. fellowship for Machine Perception, Speech Technology and Computer Vision.